89-Ac-224  basic  element

89-actinium-224 Atomic Mass: 224.0217084 +- 0.0000050 amu Excess Mass: 20221.274 +- 4.676 keV Binding Energy: 1718125.582 +- 4.685 keV Beta Decay Energy: B- 232.115 +- 12.660 keV "The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995. Spin: 0- Half life: 2.78 h Mode of decay: Electron capture to Ra-224 Branch ratio: 90.90 % Decay energy: 1.403 MeV Mode of decay: Alpha to Fr-220 Branch ratio: 9.10 % Decay energy: 6.327 MeV Mode of decay: Beta to Th-224 Branch ratio: <1.60 % Decay energy: 0.232 MeV Possible parent nuclides: Alpha from Pa-228 R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)